// getAnySubstanceThisContains.js
(function () {
  /* global AdventureJS A */
  var p = AdventureJS.Assets.Tangible.prototype;
  /**
   * Get the substance, if any, contained in this asset.
   * @memberOf AdventureJS.Assets.Tangible
   * @method AdventureJS.Assets.Tangible#getAnySubstanceThisContains
   * @returns {String}
   */
  p.getAnySubstanceThisContains =
    function Tangible_getAnySubstanceThisContains() {
      var aspect = this.getVesselPreposition();
      if (aspect && this.aspects[aspect].vessel.getVolume() > 0) {
        return this.aspects[aspect].vessel.substance_id;
      }
      return "";
    }; // getAnySubstanceThisContains.js
})();